The Ermeto SKS13IM4 is a genuine Parker Hannifin hydraulic sealing plug designed for high-pressure applications within DIN tube fitting systems. This heavy-duty (S series) plug features an M18x1.5 metric thread, ensuring a secure and leak-free closure for hydraulic ports. Constructed from durable steel with a Cr(VI)-free zinc-plated surface, it offers excellent resistance to corrosion and wear, making it suitable for demanding industrial and mobile hydraulic environments. It has a hex size of 17mm for easy installation.